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Hafler "Pro" vs "Transnova" series amps
Old 19th May 2014
Lives for gear
Teknobeam's Avatar

Originally Posted by Knox View Post
I would look at Adcom before I would go with TransNova Haflers. I'm no fan of those at all. On the other hand . . I have a VERY old Hafler (late 70s I believe) that came in a kit where you did all the assembly that is cool.
Yes,, those older series haflers are beautiful sounding amps. AB Mosfets.. If you do a few very simple changes and recap with high quality caps the results are amazing. I just finished doing three of the DH120's and I;m working an al old DH220 that I had for a few years. I experimented with a variety of different cap choices in each of the amps (electrolytics, and high end poly's). Now I can't decide which to keep.
Old 29th February 2016
Here for the gear

I have used several types of Hafler amplifiers. Currently I am running an XL600 on the woofers, a Pro5000 on the midwoofer and a Pro5000 on the dome midranges and dome tweeters. Triamped through a very clean DBX 234 XL 3 way active crossover.
The XL600 does not have the lively and detailed high end that the Pro5000 does. Same shortcoming with the DH200 / 220 series. The Pro5000 has lower distortion figures than the XL600 and many of the other Hafler models and this seems to translate into cleaner clearer midrange and high freqs.
Currently looking at trying out a P1200 as they have exceptionally low distortion specs. May have to bridge them though to get the power.
Old 12th October 2016
Gear Maniac

I've got a PRO2400 warming my toes as I type. And I love it!

I look forward to refreshing it, as I can't imagine how many hours this thing has served, being that it's only been mine for the past few years. I've driven a few different sets of near- and mid-field reference monitors with it. I have used it daily- and for hours at a stretch- since I picked it up 4 or 5 years ago.
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